i'm chris wallace in for bret baier. the obama administration's cash for clunkers program is looking for a $2 billion refill. the senate is expected to vote before it goes on august recess whether to approve more money for rebates that have encouraged tens of thousands of people to trade in their own gas guzzlers for new more fuel efficient cars. white house correspondent wendell goler is live with an update. good evening, wendell. >> chris, this legislation passed by a 3-1 margin in the house an harry reid is confident he has the votes to pass it in the senate but lawmakers are spending hours debating amendments they know will be rejected just to get their objections on the record before they go home for the august break. as of yesterday, the clunkers program had burned through three-quarters of the billion dollars congress initially appropriated, suggesting the original $4 billion authorization the house wanted was a closer estimate of the program's appeal and its cost. gp was the big winner with 17.8 p% of the cash fo